Home / 8,782,486.80-13,173,730.20-3,109,117.20

Finding the Fourth Proportional to 8,782,486.80, 13,173,730.20 and 3,109,117.20

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Solution

The fourth proportional to 8,782,486.80, 13,173,730.20 and 3,109,117.20 is: 4,663,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,486.80 : 13,173,730.20 = 3,109,117.20 : x
  2. Step 2: Convert to fraction form
    8,782,486.80/13,173,730.20 = 3,109,117.20/x
  3. Step 3: Cross multiply
    8,782,486.80x = 13,173,730.20 × 3,109,117.20
  4. Step 4: Simplify right side
    8,782,486.80x = 40,958,671,152,979.44
  5. Step 5: Solve for x
    x = 40,958,671,152,979.44/8,782,486.80
  6. Step 6: Final answer
    x = 4,663,675.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.